Five box model and chart


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The LANDFIRE Program has created and delivered two critical product suites: SPATIAL DATA SETS and BIophysical Settings (BpS) models and descriptions.


SPATIAL DATA SETS

LANDFIRE delivers more than 20 nationally consistent, 30m spatial resolution data sets for every acre in the US and larger island territories. These data sets represent current vegetation type and structure, current surface and canopy fuels, annual disturbance, and historic patterns of fire regime and vegetation. Data sets representing current conditions are updated every two years (LF2008, LF2010, LF2012, LF2014), and are publically available for download on the LANDFIRE program site along with full product descriptions. LANDFIRE is currently engaged in a Remap process to generate new base vegetations layers circa 2016.

Data Products Table - Reference products, Disturbance products



BIOPHYSICAL SETTINGS

RxFire scene

LANDFIRE produced and delivered state-and-transition models and descriptions for every major ecological system, Biophysical Settings (BpS), mapped by the program between 2005 and 2009 – information about vegetation dynamics, structure, and composition on lands across the U.S. prior to Euro-American settlement. 

Each BpS consists of two related parts: 1) a quantitative state-and-transition model, and 2) a description document published as a pdf file. The models were used in LANDFIRE to estimate reference conditions, which are used to help assess ecosystem health. The models were used in LANDFIRE to estimate reference conditions, which are used to help assess ecosystem health. In total, more than 700 experts were engaged to create 2,426 state-and-transition models (approximately 1,200 of which were unique) representing 783 mid-scale vegetation types in the U.S.

BpS Review and Update

The three-year LANDFIRE BpS review project (2015-18) engaged vegetation ecologists, fire managers and other land management practitioners in an effort to update and improve more than 1,000 BpS descriptions across the country. The review entailed reading and commenting on a 4-to-10 page MS-Word document.

The engagement by experts across the country is impressive.
  • 8700+ BpS description documents were downloaded from the dedicated review site by local and regional experts, representing more than 95% of all BpS mapped by LF across the Continental US, Alaska and Hawai'i.

  • Additionally, more than 75% of all BpS were downloaded five or more times, and some more than 50 different times.

BpS documents and models are expected to be released in autumn of 2019.



 

PRODUCT NEWS

Remap Jan 2019.jpg

LANDFIRE Remap Products Now Available

The much-anticipated new LANDFIRE base map, LF Remap, has been released in two LF GeoAreas, the Northwest and Southwest United States. Remap offers  Topographic products for CONUS, as well as Disturbance, Vegetation, and Fuel products for the Northwest GeoArea. 

Designed to produce vegetation and fuels information for wildland fire and natural resource management decisions, LF Remap products are being released incrementally through 2020. (Schedule)

LANDFIRE's original base map, LF National, was developed using Landsat imagery circa 2001. However, landscape change never ceases, and although LF National products were updated regularly throughout the years, the base map is more than 15 years old. To ensure the data remain relevant, LF has been developing the new base map product suite, LF Remap, to represent circa 2016 landscape conditions.

The LF program's consistent methodologies and processes incorporate current satellite imagery, user-community contributed data sets for the LF Reference Database and Events Geodatabase, contemporary data sources, and the latest software and hardware technologies to produce products that offer significant improvements to all previous LF versions.

Read the full story, including information about the Remap Webinar Series.

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Remap Offers First National Application of 

National Vegetation Classification

Working in partnership with the National Gap Analysis Program, LANDFIRE is pleased to announce a “new” product that that is now available in the existing vegetation product suite. In addition to improvements to the Existing Vegetation Type (EVT), Existing Vegetation Cover (EVC), and Existing Vegetation Height (EVH) products, the release of LF Remap offers the National Vegetation Classification (NVC) product.

Context: in addition to the Ecological Systems products LF has provided in the past, “group” level vegetation products tied to the National Vegetation Classification Standard (NVCS) are now offered independently. (Within the NVC hierarchy, “groups” are defined as combinations of relatively narrow sets of diagnostic plant species, including dominants and co-dominants, broadly similar composition, and diagnostic growth forms.) This NVC mapping work is the first national application of the standard with tangible, usable products.

Full story. NVC background, LF timing, user impacts, future implications.



product puzzle

Fuel Data Product: Modeling Dynamic Fuels 

with an Index System (MoD-FIS)

The LF team at the USGS EROS Center released new provisional products for the Great Basin and Southwest regions of the United States that capture the seasonal nature of fuels in this region. Modeling Dynamic Fuels with an Index System (MoD-FIS) incorporates seasonal variability of herbaceous cover (i.e. cheatgrass) to capture changes to fire behavior fuel models based on the current fire season herbaceous production.

Using current and historic Normalized Difference Vegetation Index data from the Landsat archive, LF developed a process to map current year herbaceous cover compared to historic averages. The result is updated Existing Vegetation Cover, Existing Vegetation Height, and Fire Behavior Fuel Model layers that reflect the current fire season herbaceous cover and resultant fuel availability.
 
These products are released multiple times per year, on a provisional basis for selected portions of the country.

Read more about MoD-FIS on the LF website.  
Read the MoD-FIS Comprehensive Plan.       
Related: LF Drought-Based Fuel Dynamic Methods for the Southeast U.S.     


 

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